We’ve gotten a few looks at Ares 3, the mission at the heart of the upcoming film The Martian, and this one comes courtesy of astrophysicist Neil deGrasse Tyson. Coming to us from the year 2035, Tyson explains the challenges that the crew of the Martian mission will face.

It’s fun to see an actual scientist and science communicator get in front of the camera for this. The Martian hits theaters October 2, 2015.